CN1112794C - 近似频率同步的方法和设备 - Google Patents
近似频率同步的方法和设备 Download PDFInfo
- Publication number
- CN1112794C CN1112794C CN98814040A CN98814040A CN1112794C CN 1112794 C CN1112794 C CN 1112794C CN 98814040 A CN98814040 A CN 98814040A CN 98814040 A CN98814040 A CN 98814040A CN 1112794 C CN1112794 C CN 1112794C
- Authority
- CN
- China
- Prior art keywords
- signal
- frequency offset
- mcm
- carrier frequency
- amplitude
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
- H04L27/2659—Coarse or integer frequency offset determination and synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/003—Correction of carrier offset at baseband only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP1998/002170 WO1999053666A1 (en) | 1998-04-14 | 1998-04-14 | Coarse frequency synchronisation in multicarrier systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1292963A CN1292963A (zh) | 2001-04-25 |
| CN1112794C true CN1112794C (zh) | 2003-06-25 |
Family
ID=8166939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98814040A Expired - Lifetime CN1112794C (zh) | 1998-04-14 | 1998-04-14 | 近似频率同步的方法和设备 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US6993094B1 (de) |
| EP (1) | EP1072137B1 (de) |
| JP (1) | JP3429747B2 (de) |
| KR (1) | KR100347965B1 (de) |
| CN (1) | CN1112794C (de) |
| AP (1) | AP2000001928A0 (de) |
| AT (1) | ATE207681T1 (de) |
| AU (1) | AU749787B2 (de) |
| BR (1) | BR9815806A (de) |
| CA (1) | CA2328169C (de) |
| DE (1) | DE69802212T2 (de) |
| DK (1) | DK1072137T3 (de) |
| EA (1) | EA002529B1 (de) |
| ES (1) | ES2166161T3 (de) |
| PT (1) | PT1072137E (de) |
| TW (1) | TW417370B (de) |
| WO (1) | WO1999053666A1 (de) |
| ZA (1) | ZA983645B (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9801748L (sv) * | 1998-05-18 | 1999-11-19 | Telia Ab | Förbättringar i eller som hänför sig till telekommunikationsöverföringssystem |
| EP1903704A3 (de) * | 1999-10-22 | 2008-06-04 | Nextnet Wireless Inc. | System und Verfahren zur Zeit- und Frequenzsynchronisation in einem OFDM Kommunikationssystem |
| US6760365B2 (en) | 2001-10-11 | 2004-07-06 | Interdigital Technology Corporation | Acquisition circuit for low chip rate option for mobile telecommunication system |
| WO2003094399A1 (en) * | 2002-04-30 | 2003-11-13 | Advantest Corporation | Pattern position measuring device, method, and program, and record medium on which the program is recorded |
| US7333573B2 (en) * | 2002-08-23 | 2008-02-19 | Hitachi Kokusai Electric Inc. | Radio communication apparatus and method having automatic frequency control function |
| US20060233225A1 (en) * | 2003-03-31 | 2006-10-19 | Yukihiro Omoto | Frequency synchronization apparatus and frequency synchronization method |
| JP2005136555A (ja) * | 2003-10-29 | 2005-05-26 | Advantest Corp | シンボル点推定装置、方法、プログラムおよび記録媒体 |
| US7515657B1 (en) * | 2004-03-05 | 2009-04-07 | Marvell International Ltd. | Frequency tracking for OFDM transmission over frequency selective channels |
| CN1707980B (zh) * | 2004-06-11 | 2010-12-08 | 联芯科技有限公司 | 收发信机与仪器之间信号同步的方法及系统 |
| US7606331B2 (en) * | 2005-05-11 | 2009-10-20 | Nokia Corporation | Frequency offset compensation in radio receiver |
| ES2504190T3 (es) * | 2005-09-06 | 2014-10-08 | Nippon Telegraph And Telephone Corporation | Aparato transmisor de radio, aparato receptor de radio, método de transmisión de radio, método de recepción de radio, sistema de comunicación inalámbrica y método de comunicación inalámbrica |
| US9608780B2 (en) * | 2008-09-23 | 2017-03-28 | Qualcomm Incorporated | Transmit diversity for SC-FDMA |
| CN102714561B (zh) | 2010-01-22 | 2015-07-15 | 株式会社东芝 | 无线发送接收系统 |
| US20110228822A1 (en) * | 2010-03-16 | 2011-09-22 | Harris Corporation, Corporation Of The State Of Delaware | Spectral smoothing wireless communications device and associated methods |
| US9491024B2 (en) * | 2015-02-04 | 2016-11-08 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Methods for frequency offset estimation with Zadoff-Chu sequences |
| CN111163027B (zh) * | 2019-12-26 | 2022-05-31 | 哈尔滨海能达科技有限公司 | 同步检测方法及装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5444697A (en) * | 1993-08-11 | 1995-08-22 | The University Of British Columbia | Method and apparatus for frame synchronization in mobile OFDM data communication |
| JP3074103B2 (ja) * | 1993-11-16 | 2000-08-07 | 株式会社東芝 | Ofdm同期復調回路 |
| US5594757A (en) * | 1994-07-28 | 1997-01-14 | Motorola, Inc. | Method and apparatus for digital automatic frequency control |
| US5717722A (en) * | 1994-11-08 | 1998-02-10 | Anritsu Corporation | Precision symbol demodulation system for multi-carrier modulation signal |
| JP3419567B2 (ja) * | 1994-11-08 | 2003-06-23 | アンリツ株式会社 | デジタル信号のシンボル識別点検出回路 |
| JP3124717B2 (ja) | 1995-01-10 | 2001-01-15 | 松下電器産業株式会社 | 直交周波数分割多重信号の伝送方法およびその受信装置 |
| US5732113A (en) * | 1996-06-20 | 1998-03-24 | Stanford University | Timing and frequency synchronization of OFDM signals |
| US6359938B1 (en) * | 1996-10-31 | 2002-03-19 | Discovision Associates | Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing |
| JPH10243033A (ja) * | 1997-02-28 | 1998-09-11 | Oki Electric Ind Co Ltd | 復調装置 |
| US6058101A (en) * | 1997-06-11 | 2000-05-02 | Industrial Technology Research Institute | Synchronization method and system for a digital receiver |
| US5991289A (en) * | 1997-08-05 | 1999-11-23 | Industrial Technology Research Institute | Synchronization method and apparatus for guard interval-based OFDM signals |
-
1998
- 1998-04-14 AT AT98920519T patent/ATE207681T1/de not_active IP Right Cessation
- 1998-04-14 PT PT98920519T patent/PT1072137E/pt unknown
- 1998-04-14 WO PCT/EP1998/002170 patent/WO1999053666A1/en not_active Ceased
- 1998-04-14 KR KR1020007011426A patent/KR100347965B1/ko not_active Expired - Lifetime
- 1998-04-14 DE DE69802212T patent/DE69802212T2/de not_active Expired - Fee Related
- 1998-04-14 ES ES98920519T patent/ES2166161T3/es not_active Expired - Lifetime
- 1998-04-14 EP EP98920519A patent/EP1072137B1/de not_active Expired - Lifetime
- 1998-04-14 AP APAP/P/2000/001928A patent/AP2000001928A0/en unknown
- 1998-04-14 BR BR9815806-6A patent/BR9815806A/pt not_active IP Right Cessation
- 1998-04-14 CA CA002328169A patent/CA2328169C/en not_active Expired - Fee Related
- 1998-04-14 DK DK98920519T patent/DK1072137T3/da active
- 1998-04-14 US US09/673,265 patent/US6993094B1/en not_active Expired - Lifetime
- 1998-04-14 JP JP2000544108A patent/JP3429747B2/ja not_active Expired - Fee Related
- 1998-04-14 AU AU73350/98A patent/AU749787B2/en not_active Ceased
- 1998-04-14 CN CN98814040A patent/CN1112794C/zh not_active Expired - Lifetime
- 1998-04-14 EA EA200001067A patent/EA002529B1/ru not_active IP Right Cessation
- 1998-04-30 ZA ZA983645A patent/ZA983645B/xx unknown
- 1998-08-05 TW TW087112879A patent/TW417370B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AP2000001928A0 (en) | 2000-09-30 |
| AU7335098A (en) | 1999-11-01 |
| AU749787B2 (en) | 2002-07-04 |
| ZA983645B (en) | 1998-11-04 |
| ES2166161T3 (es) | 2002-04-01 |
| DE69802212D1 (de) | 2001-11-29 |
| WO1999053666A8 (en) | 2000-08-10 |
| ATE207681T1 (de) | 2001-11-15 |
| DK1072137T3 (da) | 2002-02-11 |
| DE69802212T2 (de) | 2002-06-27 |
| CA2328169A1 (en) | 1999-10-21 |
| EP1072137B1 (de) | 2001-10-24 |
| JP3429747B2 (ja) | 2003-07-22 |
| BR9815806A (pt) | 2000-11-28 |
| HK1036710A1 (en) | 2002-01-11 |
| EA200001067A1 (ru) | 2001-06-25 |
| EA002529B1 (ru) | 2002-06-27 |
| KR20010042707A (ko) | 2001-05-25 |
| CA2328169C (en) | 2003-08-12 |
| CN1292963A (zh) | 2001-04-25 |
| PT1072137E (pt) | 2002-04-29 |
| JP2002511710A (ja) | 2002-04-16 |
| US6993094B1 (en) | 2006-01-31 |
| KR100347965B1 (ko) | 2002-08-09 |
| TW417370B (en) | 2001-01-01 |
| EP1072137A1 (de) | 2001-01-31 |
| WO1999053666A1 (en) | 1999-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: Fraunhofer Application and Research Promotion Association Address before: Munich, Germany Patentee before: Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20030625 |
|
| CX01 | Expiry of patent term |